00001 /***************************************************************************** 00002 00003 The following code is derived, directly or indirectly, from the SystemC 00004 source code Copyright (c) 1996-2006 by all Contributors. 00005 All Rights reserved. 00006 00007 The contents of this file are subject to the restrictions and limitations 00008 set forth in the SystemC Open Source License Version 2.4 (the "License"); 00009 You may not use this file except in compliance with such restrictions and 00010 limitations. You may obtain instructions on how to receive a copy of the 00011 License at http://www.systemc.org/. Software distributed by Contributors 00012 under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF 00013 ANY KIND, either express or implied. See the License for the specific 00014 language governing rights and limitations under the License. 00015 00016 *****************************************************************************/ 00017 00018 /***************************************************************************** 00019 00020 sc_mutex_if.h -- The sc_mutex_if interface class. 00021 00022 Original Author: Martin Janssen, Synopsys, Inc., 2001-05-21 00023 00024 *****************************************************************************/ 00025 00026 /***************************************************************************** 00027 00028 MODIFICATION LOG - modifiers, enter your name, affiliation, date and 00029 changes you are making here. 00030 00031 Name, Affiliation, Date: 00032 Description of Modification: 00033 00034 *****************************************************************************/ 00035 //$Log: sc_mutex_if.h,v $ 00036 //Revision 1.1.1.1 2006/12/15 20:31:35 acg 00037 //SystemC 2.2 00038 // 00039 //Revision 1.2 2006/01/03 23:18:26 acg 00040 //Changed copyright to include 2006. 00041 // 00042 //Revision 1.1.1.1 2005/12/19 23:16:43 acg 00043 //First check in of SystemC 2.1 into its own archive. 00044 // 00045 //Revision 1.8 2005/06/10 22:43:55 acg 00046 //Added CVS change log annotation. 00047 // 00048 00049 #ifndef SC_MUTEX_IF_H 00050 #define SC_MUTEX_IF_H 00051 00052 #include "sysc/communication/sc_interface.h" 00053 00054 namespace sc_core { 00055 00056 // ---------------------------------------------------------------------------- 00057 // CLASS : sc_mutex_if 00058 // 00059 // The sc_mutex_if interface class. 00060 // ---------------------------------------------------------------------------- 00061 00062 class sc_mutex_if 00063 : virtual public sc_interface 00064 { 00065 public: 00066 00067 // the classical operations: lock(), trylock(), and unlock() 00068 00069 // blocks until mutex could be locked 00070 virtual int lock() = 0; 00071 00072 // returns -1 if mutex could not be locked 00073 virtual int trylock() = 0; 00074 00075 // returns -1 if mutex was not locked by caller 00076 virtual int unlock() = 0; 00077 00078 protected: 00079 00080 // constructor 00081 00082 sc_mutex_if() 00083 {} 00084 00085 private: 00086 00087 // disabled 00088 sc_mutex_if( const sc_mutex_if& ); 00089 sc_mutex_if& operator = ( const sc_mutex_if& ); 00090 }; 00091 00092 } // namespace sc_core 00093 00094 #endif 00095 00096 // Taf!